Update git submodules

* Update trusty/vendor/google/aosp from branch 'master'
  to a8430ab8b679ec7181f0e1eca132df0e9abaca59
  - scripts: Add echo test
    
    Bug: 139943270
    Change-Id: I9bfdd91c3d34cbd554a21d39f29eb5c3d745b6da
    
1 file changed